Home / 127,922.88-176,536.80-71,333.76

Finding the Fourth Proportional to 127,922.88, 176,536.80 and 71,333.76

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Solution

The fourth proportional to 127,922.88, 176,536.80 and 71,333.76 is: 98,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,922.88 : 176,536.80 = 71,333.76 : x
  2. Step 2: Convert to fraction form
    127,922.88/176,536.80 = 71,333.76/x
  3. Step 3: Cross multiply
    127,922.88x = 176,536.80 × 71,333.76
  4. Step 4: Simplify right side
    127,922.88x = 12,593,033,722.37
  5. Step 5: Solve for x
    x = 12,593,033,722.37/127,922.88
  6. Step 6: Final answer
    x = 98,442.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.